public int AddExam(Exam exam) { int i = -1; if (exam.Id > 0) { i = facade.Update(exam); } else { i = facade.Add(exam); } return(i); }
public int AddStudent(Student stu) { int i = -1; if (stu.Id > 0) { i = facade.Update(stu); } else { i = facade.Add(stu); } return(i); }
public int AddQuestion(Question que) { int i = -1; if (que.Id > 0) { i = facade.Update(que); } else { i = facade.Add(que); } return(i); }
public int AddTeacher(Teacher tch) { int i = -1; if (tch.Id > 0) { i = facade.Update(tch); } else { i = facade.Add(tch); } return(i); }